On Tue, Oct 19, 2021 at 09:32:57AM -0600, Jens Axboe wrote: > There's a hole here we can use, and it's faster to set this earlier <snip> > @@ -148,6 +148,7 @@ struct blk_mq_alloc_data { > blk_mq_req_flags_t flags; > unsigned int shallow_depth; > unsigned int cmd_flags; > + unsigned int rq_flags; > > /* allocate multiple requests/tags in one go */ > unsigned int nr_tags; The patch looks good, but the new field doesn't appear to occupy a hole.